The common counters, in next session the WEB and ASP.NET counters and Database counters too. In WEB applications is the W3WP and in desktop the application or service Category Counter Description Recommendations Processor % Processor Time Total percentage of processor utilization across all processes General indication of system utilization Process % Processor Time Like before but specific to a single process. Isolate the problems of the System from the others like Data, etc Process Working...
In case you want to check the Memory leaks of your applications I recommend the following strategies: 1- Define a single scenario, AKA that is repeatable and does not depends on others or influence on them 2- Isolate the scenario if possible from application reactions, for example if the scenario calls other components 3- Check it with Task Manager following the interesting counters, like Virtual Memory, Allocated Memory, etc 4- If you find leaks, try use the CLRProfiler, for the moment use the Framework...